Diagnosis and treatment of upper gastrointestinal tumors :  proceedings of an international congress, Mainz, September 9-11, 1980 / 
editors, M. Friedman ... (et al.) 
 - Amsterdam :  Excerpta Medica,  1981 
 - 538 p. :  ill. ;  25 cm. 
 - International Congress Series  no.542 .
<br/><br/>Includes bibliographies and index 
<br/><br/><label>ISBN: </label>902199500X 
<br/><br/><label>LCCN: </label>80-28255 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Gastrointestinal neoplasms--Diagnosis--Congresses<br/>Gastrointestinal neoplasms--Therapy--Congresses